{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Disease", "Chemical"], "input": "The pressor responses and bradycardia to the alpha 1 - agonist cirazoline ( 0 . 6 and 2 micrograms kg - 1 i . v . ) , the alpha 2 - agonist Abbott - 53693 ( 1 and 3 micrograms kg - 1 i . v . ) , and noradrenaline ( 0 . 1 and 1 . 0 micrograms kg - 1 i . v . ) were determined in conscious SHR with and without chronic prazosin pretreatment ."}
{"Disease": ["bradycardia"], "Chemical": ["cirazoline", "Abbott - 53693", "noradrenaline", "prazosin"]}